/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.phoenix.trace;

import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;

import org.apache.phoenix.jdbc.Jdbc7Shim;

/**
 * Simple {@link Connection} that just delegates to an underlying {@link Connection}.
 * @param <D> delegate type that is both a {@link Connection} and a {@link Jdbc7Shim#Connection}
 */
public class DelegatingConnection<D extends Connection & Jdbc7Shim.Connection> implements
        Connection, Jdbc7Shim.Connection {

  @Override
  public <T> T unwrap(Class<T> iface) throws SQLException {
    return conn.unwrap(iface);
  }

  @Override
  public boolean isWrapperFor(Class<?> iface) throws SQLException {
    return conn.isWrapperFor(iface);
  }

  @Override
  public Statement createStatement() throws SQLException {
    return conn.createStatement();
  }

  @Override
  public PreparedStatement prepareStatement(String sql) throws SQLException {
    return conn.prepareStatement(sql);
  }

  @Override
  public CallableStatement prepareCall(String sql) throws SQLException {
    return conn.prepareCall(sql);
  }

  @Override
  public String nativeSQL(String sql) throws SQLException {
    return conn.nativeSQL(sql);
  }

  @Override
  public void setAutoCommit(boolean autoCommit) throws SQLException {
    conn.setAutoCommit(autoCommit);
  }

  @Override
  public boolean getAutoCommit() throws SQLException {
    return conn.getAutoCommit();
  }

  @Override
  public void commit() throws SQLException {
    conn.commit();
  }

  @Override
  public void rollback() throws SQLException {
    conn.rollback();
  }

  @Override
  public void close() throws SQLException {
    conn.close();
  }

  @Override
  public boolean isClosed() throws SQLException {
    return conn.isClosed();
  }

  @Override
  public DatabaseMetaData getMetaData() throws SQLException {
    return conn.getMetaData();
  }

  @Override
  public void setReadOnly(boolean readOnly) throws SQLException {
    conn.setReadOnly(readOnly);
  }

  @Override
  public boolean isReadOnly() throws SQLException {
    return conn.isReadOnly();
  }

  @Override
  public void setCatalog(String catalog) throws SQLException {
    conn.setCatalog(catalog);
  }

  @Override
  public String getCatalog() throws SQLException {
    return conn.getCatalog();
  }

  @Override
  public void setTransactionIsolation(int level) throws SQLException {
    conn.setTransactionIsolation(level);
  }

  @Override
  public int getTransactionIsolation() throws SQLException {
    return conn.getTransactionIsolation();
  }

  @Override
  public SQLWarning getWarnings() throws SQLException {
    return conn.getWarnings();
  }

  @Override
  public void clearWarnings() throws SQLException {
    conn.clearWarnings();
  }

  @Override
  public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
    return conn.createStatement(resultSetType, resultSetConcurrency);
  }

  @Override
  public PreparedStatement
      prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
    return conn.prepareStatement(sql, resultSetType, resultSetConcurrency);
  }

  @Override
  public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency)
      throws SQLException {
    return conn.prepareCall(sql, resultSetType, resultSetConcurrency);
  }

  @Override
  public Map<String, Class<?>> getTypeMap() throws SQLException {
    return conn.getTypeMap();
  }

  @Override
  public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
    conn.setTypeMap(map);
  }

  @Override
  public void setHoldability(int holdability) throws SQLException {
    conn.setHoldability(holdability);
  }

  @Override
  public int getHoldability() throws SQLException {
    return conn.getHoldability();
  }

  @Override
  public Savepoint setSavepoint() throws SQLException {
    return conn.setSavepoint();
  }

  @Override
  public Savepoint setSavepoint(String name) throws SQLException {
    return conn.setSavepoint(name);
  }

  @Override
  public void rollback(Savepoint savepoint) throws SQLException {
    conn.rollback(savepoint);
  }

  @Override
  public void releaseSavepoint(Savepoint savepoint) throws SQLException {
    conn.releaseSavepoint(savepoint);
  }

  @Override
  public Statement createStatement(int resultSetType, int resultSetConcurrency,
      int resultSetHoldability) throws SQLException {
    return conn.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int resultSetType,
      int resultSetConcurrency, int resultSetHoldability) throws SQLException {
    return conn.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
  }

  @Override
  public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency,
      int resultSetHoldability) throws SQLException {
    return conn.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
    return conn.prepareStatement(sql, autoGeneratedKeys);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
    return conn.prepareStatement(sql, columnIndexes);
  }

  @Override
  public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
    return conn.prepareStatement(sql, columnNames);
  }

  @Override
  public Clob createClob() throws SQLException {
    return conn.createClob();
  }

  @Override
  public Blob createBlob() throws SQLException {
    return conn.createBlob();
  }

  @Override
  public NClob createNClob() throws SQLException {
    return conn.createNClob();
  }

  @Override
  public SQLXML createSQLXML() throws SQLException {
    return conn.createSQLXML();
  }

  @Override
  public boolean isValid(int timeout) throws SQLException {
    return conn.isValid(timeout);
  }

  @Override
  public void setClientInfo(String name, String value) throws SQLClientInfoException {
    conn.setClientInfo(name, value);
  }

  @Override
  public void setClientInfo(Properties properties) throws SQLClientInfoException {
    conn.setClientInfo(properties);
  }

  @Override
  public String getClientInfo(String name) throws SQLException {
    return conn.getClientInfo(name);
  }

  @Override
  public Properties getClientInfo() throws SQLException {
    return conn.getClientInfo();
  }

  @Override
  public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
    return conn.createArrayOf(typeName, elements);
  }

  @Override
  public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
    return conn.createStruct(typeName, attributes);
  }

    private D conn;

    public DelegatingConnection(D conn) {
    this.conn = conn;
  }

    @Override
    public void setSchema(String schema) throws SQLException {
        conn.setSchema(schema);
    }

    @Override
    public String getSchema() throws SQLException {
        return conn.getSchema();
    }

    @Override
    public void abort(Executor executor) throws SQLException {
        conn.abort(executor);
    }

    @Override
    public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
        conn.setNetworkTimeout(executor, milliseconds);
    }

    @Override
    public int getNetworkTimeout() throws SQLException {
        return conn.getNetworkTimeout();
    }
}